GETCO Exam Paper (30-11-2008) The power transmitted will be maximum when reactance is high sending end voltage is more corona losses are least receiving end voltage is more reactance is high sending end voltage is more corona losses are least receiving end voltage is more ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as voltage and power factor both increase voltage increases but power factor decreases voltage decreases but power factor increases voltage and power factor both decrease voltage and power factor both increase voltage increases but power factor decreases voltage decreases but power factor increases voltage and power factor both decrease ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Graded time lag over current relaying without directional features can be employed for protection of none of these parallel feeders radial feeders ring mains none of these parallel feeders radial feeders ring mains ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Hysteresis loss Eddy current loss Core loss Copper loss Hysteresis loss Eddy current loss Core loss Copper loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP During O.C test obtained no load losses (core loss)During S.C. test obtained copper loss (load losses)during loaded condition of transformer copper loss more significant than core loss.
GETCO Exam Paper (30-11-2008) In a dry type transformer, accumulation of dust on the windings and core is likely to cause short circuiting of secondary winding corrosion of core material reduction in heat dissipation short circuiting of primary winding short circuiting of secondary winding corrosion of core material reduction in heat dissipation short circuiting of primary winding ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Ashoka sent his son and daughter for the preaching of Buddhism to Ceylon Kambodia Javadvipa Sumatra Ceylon Kambodia Javadvipa Sumatra ANSWER DOWNLOAD EXAMIANS APP